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[tor-relays] Re: If the IPv6 ORPort can't be reached, will clients/relays fall back to the IPv4 ORPort?
- To: tor-relays@xxxxxxxxxxxxxxxxxxxx
- Subject: [tor-relays] Re: If the IPv6 ORPort can't be reached, will clients/relays fall back to the IPv4 ORPort?
- From: Toralf Förster via tor-relays <tor-relays@xxxxxxxxxxxxxxxxxxxx>
- Date: Tue, 21 Jul 2026 08:25:36 +0200
- Cc: Toralf Förster <toralf.foerster@xxxxxx>
- In-reply-to: <178459515083.2210270.13598657226770778171@lists-01.torproject.org>
- List-id: "support and questions about running Tor relays (exit, non-exit, bridge)" <tor-relays.lists.torproject.org>
- References: <a1320a20-3c29-4822-bd25-bdc4dab45afe@brokenbotnet.com> <178459515083.2210270.13598657226770778171@lists-01.torproject.org>
- Reply-to: "support and questions about running Tor relays (exit, non-exit, bridge)" <tor-relays@xxxxxxxxxxxxxxxxxxxx>
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- User-agent: Mozilla Thunderbird
On 21/07/2026 02:52, forest-relay-contact--- via tor-relays wrote:
The reason I ask is because I'm considering implications of the toralf
tor-ddos script on relays that use IPv6. By its very design, there are a
number of hosting providers that will provide, say, a routed /48 for a
low cost which could then be used to completely overwhelm the IPv6 anti-
DDoS firewall rules (unlike the IPv4 rules where an attacker would need
to buy a costly new IPv4 just to get an additional 8 connections).
?
I updated the comment in [1]
[1]
https://github.com/toralf/torutils/commit/3505eec5ef0f35b3952a7f994cc25e0f6259cbae
--
Toralf
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